Cotton Bowl video preview: What are the keys for Alabama, Michigan State?

Sports Capital Journalism Program students Jessica Wimsatt and Elizabeth Cotter break down the matchup between No. 2 Alabama and No. 3 Michigan State. The Crimson Tide and Spartans square off in the College Football Playoff Semifinal at the Goodyear Cotton Bowl Classic, which is scheduled for 8 p.m. ET on Dec. 31, 2015, at AT&T Stadium in Arlington, Texas. The game will be televised on ESPN.